Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
010081moderately pollutedexcellent121excellent
000089heavily pollutedgood141excellent
230088heavily pollutedgood131excellent
220090heavily pollutedexcellent111excellent
210090heavily pollutedexcellent81excellent
200086heavily pollutedexcellent71excellent
190071moderately pollutedexcellent71excellent
180061moderately pollutedexcellent61excellent
170058lightly pollutedexcellent101excellent
160057lightly pollutedexcellent121excellent
150049lightly pollutedexcellent101excellent
140042lightly pollutedexcellent101excellent
130051lightly pollutedexcellent121excellent
120062moderately pollutedgood141excellent
110071moderately pollutedgood131excellent
100062moderately pollutedexcellent121excellent
090063moderately pollutedexcellent121excellent
080062moderately pollutedexcellent121excellent
070055lightly pollutedexcellent111excellent
060056lightly pollutedexcellent101excellent
050054lightly pollutedexcellent101excellent
040049lightly pollutedexcellent101excellent
030046lightly pollutedexcellent91excellent
020048lightly pollutedexcellent91excellent